python中基本數(shù)據(jù)類型和其他的語言占用的內(nèi)存空間大小有很大差別
import sys a = 100 b = True c = 100L d = 1.1 e ="" f = [] g =() h = {} i = set([]) print " %s size is %d "%(type(a),sys.getsizeof(a)) print " %s size is %d "%(type(b),sys.getsizeof(b)) print " %s size is %d "%(type(c),sys.getsizeof(c)) print " %s size is %d "%(type(d),sys.getsizeof(d)) print " %s size is %d "%(type(e),sys.getsizeof(e)) print " %s size is %d "%(type(f),sys.getsizeof(f)) print " %s size is %d "%(type(g),sys.getsizeof(g)) print " %s size is %d "%(type(h),sys.getsizeof(h)) print " %s size is %d "%(type(i),sys.getsizeof(i))size is 12 size is 12 size is 14 size is 16 size is 21 size is 36 size is 28 size is 140 size is 116